想了解更多精彩内容，快来关注学习府邸哦！一、阅读理解1、Parties,drinking,eating—oh,andworking—allhelppassthetime,butdeepdownthere’ssomethingyou’rereallyeagertofind,butyoucan’tquiteputyourfingeron.Whatyouhavebeenlookingfor,myfriend,isthechancetothrowyourselfintotheworldofUniversitySocieties,anddiscoverthehugerangeofactivitieswhichthriveinacitylikeOxford.Whetheryouwanttopursueanexistinginterestordevelopnewones,yourfirstmoveshouldbetocheckoutthebewilderinglylargearrayofclubsattheOUSUFreshers’Fair.WithyourFreshers’Fairticket,youcangetyourhandsonabrand-neweditionofthecomprehensiveguidetoallthingsatOxford.IfyoumisstheFair,don’tdespair:youcanseewhatsocietiesareofferedintheOxfordDirectory,ahandbookissuedtoyouinFreshers’Week.Takeawhiletobrowsethrough—it’syouronemajorchancetofindoutaboutwhatgoesonintheUniversity.Thedegreetowhichpeoplegetinvolvedinsocietiesvariesagreatdeal.Sometotallyimmersethemselvesinaclub,hardlyspeakingtoanyonewhoisn’tmemberofthatgroupforthenextthreeyearsandrisingtobecomealeaderoftheorganization.Othersprefertotakeamoreeclecticapproach,beingmembersofseveralsocietiesandtakingpartinwhicheveroftheireventsseeminteresting.Manypeople,perhapsfoolishly,completelyignoreUniversitysocietiesandjusthangoutwithmatesincollege.Societiesofferagreatchancetomeetpeoplefromoutsidecollege,which,especiallyforartsstudents,issomethingitissometimesdifficulttodo.Butdon’tforgetthatmostcollegeshavetheirownflourishingsocieties,whichyoumaybeabletojoininyourcollegeduringFrishers’Week.Musicanddramaareoftenpopularanditisveryeasytogetsomematestogetherandstartsomethingup.IfyouhaveambitionstoopenupyournewShakespearianRapSocietytothewholeUniversity,youcanregisteritwiththeUniversityProctors,whogiveoutstart-upgrantsandloans,amongotherbenefits.Oneofthedownsides,especiallywithlargersocieties,isthehackingwhichtakesplace.“Hack”isthenegativetermappliedtothoseseekingadvancement(usuallytoPresident)inwhateverCluborSociety,andsomeclubssuchastheOxfordUnionortheGuildSocietytendtoattractthosewiththesparkofambitionmorethanothers.WhenstudentssuddenlyremembertheirblankCVswhicharesupposedtosecurethemahighlypaidjoboncetheygraduate,hackeryisalmostinevitable.Donotbeafraid,though:thevastmajorityofstudentstendtoavoidsuchself-seekingbehaviorandgetonwithlife.Withover300registeredsocietiestherereallyissomethingforeveryone.Apartfromtheobviouspoliticalpartiesandsportsclubstherearegroupsforallthemainreligions;societiesinterestedinthesocietyandcultureofcountriesfromChinatoBulgaria,andUKregionsfromScotlandtoEssex;charitiesforthoseinterestedinvoluntarywork,literature,music,dramaandsci-fi;andafairnumberofstrangegroupssuchastheLMHPuddingSociety,theOxfordStuntFactoryandthePoohSticksSociety.Youwon’tgetbored.1.AttheFreshers’Fair,afreshmancanlearn_______A.howtopursueanexistinginterestB.howtodevelopsomenewinterestsC.howtocheckoutthelargearrayofclubsandsocietiesD.howtothrowoneselfintotheworldofUniversitySocieties2.Ifastudenttakesaneclecticapproachofclubsandsocieties,wecansaythathe_________A.joinsseveralsocietiesandtekespartininterestingeventsB.hangsoutwithmembersofjustonecluborsocietyC.completelyignoresUniversitySocietiesD.issureofbecomealeaderinatleastonegroup3.Theeasierwaytomakenewfriendsis____A.toattendtheFreshers’FairB.tojoinsomeclubsandsocietiesC.tostartanewsocietyD.toenjoymusicanddrama4Accordingtothepassage，“tohack”means____A.toenteracomputersystemandmakechangeswithoutpermissionB.toseekadvancementineverycluborsocietyapersonjoinsC.togetinvolvedinsocietiesD.todisplayone’sambition5Somestudentstrytohackintheclubsbecause_____A.theyhavetheambitionofbecomingthePresidentoftheclubB.theywanttogetgrantsandloansandotherbenefitsfromtheUniversityProctorsC.theywouldhaveagreatchancetomeetpeoplefromoutsidecollegeD.theywouldbuildtheirCVswhichmayhelppromotetheirfuturecareers2、Almosttwoyearsago,Istoodonabalcony,joinedhandswithmythreemostintimatefriendsandlistenedtooneofthemtellastoryaboutfourgirlswithdifferentbackgroundsandtalentswholefthomeandwenttocollegeatamythicalplacecalledHappyValley.Afterweleftourfriend'sapartmentthatlastnightofourfreshmanyear,weendeduponthelawn,playingfrisbeeat3a.m.andsittingonthedormitorystepstalkingforhours.Alisa,Karen,GabrielleandIhadspentthatdaytogetherjustbeingfreshmen—-goingtothesandwichshopforthelastlunchofthesemester,tryingoneachother'sclothes,watchingmoviesandactinglikewewouldneverseeeachotheragain.ThreeMonthsisaLongTimeForfreshmen,andespeciallyforus,sayinggoodbyeattheendofthefirstyearcanfeellikesayinggoodbyeforever.Threemonthscanseemlikealongtimewhenyouareleavingfriendsandacquaintanceswhomyouhaveonlyknownforayear.Yourfreshmanyearmomentsareirreplaceable.Myadvicetoanyfreshmenreadingthisistocherishthosemoments.Youmaygrowcompletelyapartfromthepeopleyouspentyourfirstyearwith,oryoumayfindyourselffortunatelycomparingthemtosiblingsattheendofyourjunioryearasIdid.Evenifyouhavealmostforgottenyourfreshmanyearroommatestwoyearslater,andbarelyrecognizethemwhenyouencountertheminfrontofthegymnasium,youcanneverreplacethatyearandthebrand-newfeelingthatyourfirstyearofcollegebrings.Alotwillchangeafteryourfreshmanyear.Youwillmeetnewpeopleanddonewthings.Youwilldoalotmoregrowingup.Atthebeginningofoursenioryear,KarentookherhometownboyfriendKevinonatourofcampusanddowntown."That'swherewegrewup,"shetoldhim,motioningtowardAthertonHall,wherethefourofusspentourfirsttwoyearsatPennState.Welearnedmoreoutsidetheclassroomthanwelearnedinsideit.Thatdormiswherewelearnedanddiscussedthelessonsofourfreshmanandsophomoreyears.IthinktheprincipallessonIlearnedwasthedefinitionoftruefriendship.AndIhaveneverhadnorwilleverhavebetterteachersthanAlisa,KarenandGabrielle.ThatlessoncanbestbesummarizedbysomethingAlisaandKarentoldmewhenIwasupsetattheendoflastsemesterandneededashouldertocryon.Theysaidnomatterhowfarwedriftapartorwhoelsewebecomefriendswithaftercollege,wewillalwaysinclinetorecalleachotherfirstwheneverwethinkofcollege.Icouldn'tagreemore.ThestoryAlisatoldonthatbalconyisfarfromover.Isometimeswonderifthefollowingishowitwillend:"…andthosefourlittlegirlsgrewupandrealizedtheirdreams.Theyfoundthemselvesalloverthecountry,fromfarms,tocities,tothesuburbs,doingeverythingtheywantedtodo-acomputertechnician,aphysician,anattorney,andanarchitect—withthecompanionstheywantedinhusbands,childrenandpets.Andoccasionallytheywouldmakeitbacktoreunionsatthatmythicalvalleyandseetheiroldfriends,laughingaboutthegoodtimes.Theyhadsucceededinforgettinganyofthebadtimes.Andtheylivedhappilyeverafter."1.Inwhatyearofcollegeistheauthoratthetimeofthearticle?A.Freshman.B.SophomoreC.JuniorD.Senior2.WhatdidthefourgirlsNOTdotogetherthelastdayoftheirfreshmanyear?A.Eatlunch.B.Takeatouraroundthecampus.C.Tryonclothing.D.Watchmovies.3.Whatistheauthor’sviewofcollegefreshmen?A.Theyareverymature.B.Theyareveryimmature.C.TheyareveryconfusedD.Theyarechangingandgrowing.4.Whatkindsofcareersdidtheauthorhopeherclassmateswouldhave?A.Excitingandentertainingcareers.B.Careersthatcanmakethemrich.C.Careersthatrequireeducation.D.Careerswithsparetimeforotheractivities.5.Whichofthefollowingwillthegirlsprobablyrememberbest?A.Thebadtimes.B.Thegoodtimes.C.Thefinalexaminations.D.Alltheabove.3、Awell-balancedlifeisnecessarytoliveintoday'sworld.Withoutawell-balancedlifeapersoncanneitherfunctionproperlynordevelopintoawell-roundedindividual.Withoutsomesortofbalanceinlifepeopletendtobeunfulfilledandunhappy.I'veexperiencedgreatstressinmystudyandwork.AndI'vetriedeverymeanstoadjustmyselfandrelievemystress.FinallyIfoundawayoutinmyleisuretime.Leisuretimeisveryimportantandnecessaryforme.WithoutitIamsureIwouldgoinsane.Ispendmostofmyextratimereading,listeningtomusic,talkingtomyreallifefriends,ortalkingontheInternetwithpeopleImeet.IreallyenjoygoingoutintoaquietplaceandreadingpoetryorbooksbyWaltWhitmanandRobertFrost.IfIdidnotmaketimeforallofthisIwouldnotbeabletohandleeverythingelseinlife.Alongwithreadingtorelax,listeningtomusicisveryimportanttome.IfIfeelsad,Ilistentoslowsongs,whileifIamhappyIlikelisteningtofastsongs.Musicistheuniversallanguageanditcanexpressdifferentfeelings.Itcanrelatetothesoul,orinfactIthinkitisthesouloffeelings.MyreallifefriendsandmyInternetfriendsarealsopartofmyleisureandsocialtime.Friendshavealwaysbeenimportanttome.TheyarethebackboneineverythingIdo.ThegoodfriendsthatIhavearealwaysthereformeineverysituationIamin.WithoutthemIwouldnothaveledahealthy,balancedlife.NotsolongagoIwentthroughashorttimeofdepression.Ifellbehindinallmyworkandstoppedtalkingtomyfriends.Afteraweekofactingthisway,oneofmygoodfriendspulledmeasideandinvitedmetogoforawalkwithher.WetalkedaboutwhatwasgoingoninmylifeandshehelpedmetofigureoutwhatIwantedtodo.Idonotknowwhatwouldhavehappenedifshehadnotbeenthere.Manythingsaddtohavingawell-balancedlife.Stresscanbeaverydangerousandtiresomeexperience.Itcanleadtodepressionandunhappiness.Butwhenithappens,youcandosomethingotherthanwait,liketalkingtoyourfriendsorlisteningtomusic.Thenyoumaynotthinkyoushouldhavebeensostressedanddepressed.Awell-balancedlifeisimportanttomaintain.Withoutsomesortofbalanceitishardtogetbyineverydaylife.Andthecreativeuseofleisuretimeplaysavitalrole.1.Whatdoestheauthormainlytellusinthepassage?A.Awellbalancedlifeisnoteasytohaveintoday’sworld.B.Shehasexperiencedgreatstressinherstudyandwork.C.Satisfyingworkiscrucialtohavingawell-balancedlife.D.Leisuretimeplaysavitalroleinmaintainingawell-balancedlife.2.Whatdoestheauthormeanbysaying“finallyIfoundawayoutinmyleisuretime”?A.Shefoundleisuretimecouldhelprelieveherstressandmaintainawell-balancedlife.B.Shefoundawaytoenjoyherselfinherleisuretime.C.Shegottoknowhowtospendherleisuretime.D.Shecametounderstandwhat“awell-balancedlife”means.3.Whendoestheauthorlistentoslowmusic?A.Whensheishappy.B.Whensheislonely.C.Whensheissad.D.Whensheistryingtowork.4.Howimportantaregoodfriendstotheauthor?A.Theyusuallyhelpherliftthephysicalburdenwiththeirstrongbackbone.B.Theysupportherineverythingshedoesandhelpherineverysituationsheisin.C.Theyoftenpullherasideandinvitehertogoforawalk.D.Theywilldoeverythingthatshewantsthemtodo.5.Whatmainsuggestiondoestheauthorgiveusinthepassageonhowtorelievestress?A.Talkingtofriends.B.ListeningtomusicC.Readingpoetry.D.Pursuingsomeleisureactivities.4、Spending50minuteswithacellphoneclosetoyourearisenoughtochangebraincellactivityinthepartofthebrainclosesttotheantenna.Butwhetherthatcausesanyharmisnotclear,scientistsattheNationalInstituteofHealthsaidataconferencelastmonth,addingthatthestudywillnotlikelysettleconcernsofalinkbetweencellphonesandbraincancer.“Whatweshowedisglucosemetabolism(asignofbrainactivity)increasesinthebraininpeoplewhowereexposedtoacellphoneintheareaclosesttotheantenna,”saidDr.NoraVolkowoftheNIH,whosestudywaspublishedintheJournaloftheAmericanMedicalAssociation.Thestudywasmeanttoexaminehowthebrainreactstoelectromagneticfieldscausedbywirelessphonesignals.Volkowsaidshewassurprisedthattheweakelectromagneticradiationfromcellphonescouldaffectbrainactivity,butshesaidthefindingsdonotshedanylightonwhethercellphonescausecancer.“Thisstudydoesnotinanywayindicatethat.Whatthestudydoesistoshowthehumanbrainissensitivetoelectromagneticradiationfromcellphoneexposures.”Useofthedeviceshasincreaseddramaticallysincetheywereintroducedintheearly1980s,withabout5billioncellphonesnowinuseworldwide.Somestudieshavelinkedcellphoneexposuretoanincreasedriskofbraincancers,butalargestudybytheWorldHealthOrganizationdidnotofferaclearanswertothis.Volkow’steamstudied47peoplewhohadtheirbrainexaminedwhileacellphonewasturnedonfor50minutesandanotherwhilethephonewasturnedoff.Whiletherewasnocompletechangeinbrainmetabolism,theyfounda7percentincreaseinbrainmetabolismintheregionclosesttothecellphoneantennawhenthephonewason.Expertssaidtheresultswereinteresting,buturgedthattheybeunderstoodwithgreatcare.“Althoughthebiologicalsignificance,ifany,ofincreasedglucosemetabolismfromtoomuchcellphoneexposureisunknown,theresultsrequirefurtherinvestigation,”HenryLaioftheUniversityofWashingtonintheU.S.andDr.LennartHardellofUniversityHospitalinSweden,wroteinanarticleinJAMA.“Muchhastobedonetofurtherinvestigateandunderstandtheseeffects,”theywrote.1.Accordingtothepassage,whichofthefollowingisTRUE?A.Cellphoneuseisdangerous.B.Cellphoneusecausescancer.C.Thehumanbrainisanelectromagneticfield.D.Thereareabout5billioncellphoneusersintheworldrightnow.2.DoctorVolkowwasastonishedbecause___.A.herresearchhasshedlightonherunderstandingofcellphoneB.shefoundthatcellphoneexposureisharmfultohumanbrainC.shefoundthatusingacellphoneforaboutminutescouldinfluenceorchangebrainactivityD.humanbrainisnotresponsivetoelectromagneticradiation3.Accordingtothepassage,cellphoneswerelaunched___.A.inthelate1970sB.between1980and1985C.inthelate1980sD.intheearly1990s4.Whatdoestheword“that”standforinthesecondparagraph?A.Brainactivity.B.Herresearchfinding.C.Thefactthatcellphoneusemaycausecancer.D.Herresearchprogress.5.Whichofthefollowingisanappropriatetitleforthispassage?A.CellPhoneRadiation:IsItHarmful?B.CellPhoneRadiation:IsItUseful?C.CellPhoneRadiation:IsItHealthy?D.CellPhoneRadiation:IsItWeak?二、词汇和结构　　1.Thisballoonremainedinflightfor50minutes__.A.soonB.aboutC.orsoD.sofar2.Thenextbig___confrontingtheworkersistheincreaseofwages.A.issuingB.issueC.toissueD.issues3.Shealways______inmeetingnewfriendsormakingnewacquaintances.A.loveB.revelsC.likeD.furious4.Howcanyouacceptthedefeatso_________?Whydon’tyoutryagain?A.passivelyB.passiveC.preciselyD.precise5.Althoughshehasawealthybackground,shewouldliketoearnenoughmoneytobefinancially_______.A.independentB.dependentC.individualD.intention6.ItissuchafinedaythatI____goingswimmingintheriver.A.feelslikeB.feelinglikeC.feellikeD.feelstolike7.SinceChinahasenteredtheWTO,the_____onforeignbusinesseswillgraduallybereduced.A.restrictionB.restrictingC.restrictedD.limited8.Whenhewasofferedthe____tohaveanonlinedegreeprogram,heseizeditimmediatelyandenthusiastically.A.chanceB.dutyC.responsibilityD.opportunity9.Allthematerialscollectedfortheresearchprojectonpollutionare________toalltheseniorsatthiscollege.A.usefulB.availableC.capableD.availed10.Sheknowshowtoget________thecityquitealot,workingforthetaxicompany.A.onB.upC.acrossD.around11.Mr.Selbyisseriouslyillandhasbeentransferredto_______care.A.intenseB.interactionC.intentionD.intensive12.Scientistshavelong_______thatlungcancerisassociatedwithsmoking.A.pointinB.pointoutC.pointedoutD.pointedin13.Themotherdidn’tknow______toblameforthebrokenglassasithappenedwhileshewasout.A.whoB.whenC.howD.what14.ItisnotagoodideatogoshoppingonSunday,_______theshopsareverycrowded.A.ifB.whenC.forD.so15.Mr.Smith,togetherwithhiswifeandchildren,______goingtothepartythisweekend.A.amB.isC.areD.will16.Hehadmademany___intothequalityofthecomputerbeforebuyingone.A.requiresB.acquiresC.inquiresD.inquiries17.Theinventionofthetelephonewasagreat___tohumancommunication.A.contributionB.contributeC.contributorD.contributions18.Theteacherisdeeply___bythestudents’abilitytosurftheInternet.A.impressedB.expressedC.impressingD.expressing19.Wordsthat_________thetruthmustbediscarded.A.obscuredB.areobscuringC.obscureD.obscures20.Theyimpressed________theirchildrenthevirtueofalwaystellingthetruth.A.atB.uponC.inD.to21.Asafreshman,youshouldgettoknowcampusassoonaspossibleandmakegooduseofthem.A.replaceB.resourcesC.requisiteD.restriction22.NotonlydoesMaryattendclassregularly,butalsoinextracurricularactivesfrequently.A.participatesB.takepartinC.participateD.join23.Hisparentsreceivelettersfromhimeveryweek;heneverfails____write.A.inB.atC.onD.to24.Weweregreatly_____tohearabouthissittingonthewetpaint.A.amountB.amazeC.amusedD.ambition25.Peoplewhoearnlessmoneybutenjoylifemay_____happierthanthosewhoworktoomuch.A.completeB.endingupC.endupD.finished26.Scientificdiscoveriesareoften______toindustrialprocesses.AapplyingB.appliedC.giveD.offer27.Hegavea_____answertomyrequest.Ifeltquiteconfusedanddisappointed.A.negativeB.ignoreC.doubtD.good28.Theynormally_________inthepubtokilltime.A.hangoutB.hangupC.hanguponD.hangin29.Ihopeyou’llcontribute________ourappealformoneytohelphomelesschildren.A.onB.toC.downD.up30.CollegehashelpedBilltohisinterests.A.broadenB.brandC.browseD.bored三、完形填空　　TonyTomeiwaswell-knowninLosAlamos,N.M.forhisheroicactionwhentheforestfiressweptthroughlastMay.Tomeihad__1__runawayfromhishouse,whichwas__2__.Butsoonafterreachingasafeplace,Tomei__3__thatalthoughhehadsavedmostofhiscollectionofaccordions（手风琴）,hispreciousItalianBugariArmandoaccordionwas__4__inthehouse.Hereachedhometo__5__it.“WhenIdroveup,therewasalotofsmoke,”hesaid,andatthatmomenthemade__6__.“Iwasgoingto__7__thefire.Iwastheonlyoneleftto__8__theneighbors’housed.”Tomei,52,anengineerandaccordioninstructor,hadnoideawhatagreatdangerhewould__9__.Withagardenhose（软管）,hespentthe__10__fewhoursputtingoutsmallspotfires.Thenthe__11__pickedup,andthefirebeganmovingslowlyfromthevalley60feetbelowtowardhishome.Heattemptedtoputoutthefirebutwithoutany__12__.Thefireandsmokeblewupbesidehim,__13__himtotheground,wherehegotholdofatree.“Icouldn’tbreathe.Icouldn’tsee.Ijuststuckmyfaceinthedirt.”__14__thewindchanged.Againstafrighteningbackdrop（背景）ofhousesburningupanddownhisstreet,Tomeifoughtthroughmuchofthe__15__withoutanymorewaterandonlyacoupleoftoolshecouldgettokeepsmallfiresawayfromhisneighbors’houses.Atsunrisehegothisfirstreallookatwhathadleftoftheneighborhood.“Isawallthosedamagedhousesandthought,Oh,myGod.”Forhe’dsavedhishomealongwithtwoothers’.WhenhisneighborNancyTenbrinkremovedtothehouseshe’dthoughtwaslost,shesurprisinglythrewherarmsaroundTomei.“Myhousewasimportant,buthislifewasmuchmorevaluable,”shesaid.“I’mdeeplythankfulforwhathedidforus.”1.A.happilyB.bravelyC.nearlyD.safely2.A.infireB.indangerC.outoforderD.outofshape3.A.thoughtB.wonderedC.saidD.realized4.A.justB.alsoC.stillD.yet5.A.findB.hideC.getD.check6.A.asuggestionB.adecisionC.thechoiceD.thepreparation7.A.putupB.keepfromC.holdoffD.takeup8.A.preventB.keepC.watchD.save9.A.protectB.expectC.faceD.fight10.A.nextB.lastC.hardD.rest11.A.waterB.fireC.smokeD.wind12.A.successB.toolsC.meaningD.help13.A.knockingB.leavingC.takingD.getting14.A.FunnilyB.fortunatelyC.undoubtedlyD.unluckily15.A.midnightB.afternoonC.nightD.daybreak四、判断题对的（Y），错的（N）1.MuchinformationabouttheancientcenturieshavebeenavailablewiththehelpoftheWeb.（N）2.Howstudentslearntogetalongwithothersinanorganizationareofmorepracticaluseintheirfuturejobs.（N）3.Theyoungmanknockshisheadontheglassdoorofthehotelwhenhehurriedin.（N）4.Mr.Liwasdeterminedtostudyhardersothathewillhavemorechancestofindabetterjob.（N）5.Allmyclassmatesfeeledveryexcitedwhenourteamwonthebasketballmatch.（N）五、翻译1.我刚刚读完一本从一种新的视角研究莎士比亚的有趣的书籍。

A.Ijusthavefinishedtoreadaninterestingbookwhichresearchedfromanewapproachingview.B.Ijusthavefinishreadinganinterestingbookwhichresearchfromanewapproachingview.C.A.Ijusthavefinishedreadinganinterestingbookwhichresearchedfromanewapproachingview.D.A.Ijusthavefinishedreadinganinterestingbookwhichresearchfromanewapproachingview.2.我得承认我很想到国外工作和学习一段时间，但我知道要拿到签证不容易。

A.IhavetoadmitthatIwanttostudyandworkforsometime,butIknewitisn’teasytogetvisa.B.IhavetoadmitingthatIwanttostudyandworkforsometime,butIknowitisn’teasytogetvisa.C.IhavetoadmitthatIwantstudyandworkforsometime,butIknowitisn’teasytogetvisa.D.IhavetoadmitthatIwanttostudyandworkforsometime,butIknowitisn’teasytogetvisa.3.Forsomeskincancers，thefive-yearsurvivalrateisashighas90percent.A.皮肤癌症患者90％能够存活五年以上。

B.对一些皮肤癌症患者来说，能够五年的治疗期，数字高达90％。

C.对一些皮肤癌症患者来说，能够存活五年的比率高达90％。

D.对一些皮肤癌症患者来说，存活比率高达90％。

4.Theexactmechanismsinvolvedarestillmysterious,butthelikelihoodthatmanycancersareinitiatedatthelevelofgenessuggeststhatwewillneverpreventallcancers.A.有关的确切机制仍然不明，但是许多癌症产生于基因一级的可能性表明，我们将永远无法防止所有癌症。

B.有关的确切机制是许多癌症产生于基因一级的可能性，我们将永远无法防止所有癌症。

C.有关的确切机制仍然不明，但是许多癌症产生于基因一级将永远无法防止所有癌症。

D.我们将永远无法防止所有癌症，有关的确切机制表明，但是许多癌症产生于基因一级的可能性仍然不明。

5.Fatcellsdiffersdistinctlyfromothercellsinthattheyaremademostlyoffatinsteadofproteinandapparentlytheynevergoaway,evenafterdieting.A.识别脂肪细胞和其他细胞，在于脂肪细胞主要是由脂肪而不是蛋白质组成的，就算是人死后脂肪细胞也不会走掉。

B.脂肪细胞和其他细胞的不同之处在于脂肪细胞主要是由脂肪，蛋白质组成的，就算是人死后也不会消失。

C.脂肪细胞和其他细胞的不同之处在于脂肪细胞主要是由脂肪而不是蛋白质组成的，人死后脂肪细胞就会消失。

D.脂肪细胞和其他细胞的不同之处在于脂肪细胞主要是由脂肪而不是蛋白质组成的，就算是人死后脂肪细胞也不会消失。